The IIgs screen buffers listed are not where the hardware actually draws them from. The real screen buffers are in Mega II "Slow RAM" bank $E0 and $E1. The IIgs hardware ​supports shadowing of the Bank 0 screen buffers to bank $E0.

The IIgs screen buffers listed are not where the hardware actually draws them from. The real screen buffers are in Mega II "Slow RAM" bank $E0 and $E1. The IIgs hardware ​supports shadowing of the Bank 1 screen buffers to bank $E1.